26428595

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:550

約数の個数: 16

約数和(自身を含む): 32285088

約数和(自身を除く): 5856493

約数列:

[1, 5, 131, 157, 257, 655, 785, 1285, 20567, 33667, 40349, 102835, 168335, 201745, 5285719, 26428595]

約数ペア:

[(1, 26428595), (5, 5285719), (131, 201745), (157, 168335), (257, 102835), (655, 40349), (785, 33667), (1285, 20567)]